S2OJ/uoj/1/app/libs/uoj-form-lib.php
MascoSkray 39acf1b05e
style: move all php libs to a folder
The php lib files are in the app directory root. Move it to a new directory so that can be tidy.
2017-04-25 12:30:03 +08:00

796 lines
22 KiB
PHP

<?php
class UOJForm {
public $form_name;
public $succ_href;
public $no_submit = false;
public $ctrl_enter_submit = false;
public $extra_validator = null;
public $is_big = false;
public $has_file = false;
public $ajax_submit_js = null;
public $run_at_server_handler = array();
private $data = array();
private $vdata = array();
private $main_html = '';
public $handle;
public $submit_button_config = array();
public function __construct($form_name) {
$this->form_name = $form_name;
$this->succ_href = $_SERVER['REQUEST_URI'];
$this->handle = function(&$vdata){};
$this->run_at_server_handler["check-{$this->form_name}"] = function() {
die(json_encode($this->validateAtServer()));
};
$this->run_at_server_handler["submit-{$this->form_name}"] = function() {
if ($this->no_submit) {
become404Page();
}
foreach ($this->data as $field) {
if (!isset($field['no_val']) && !isset($_POST[$field['name']])) {
becomeMsgPage('The form is incomplete.');
}
}
crsf_defend();
$errors = $this->validateAtServer();
if ($errors) {
$err_str = '';
foreach ($errors as $name => $err) {
$esc_err = htmlspecialchars($err);
$err_str .= "$name: $esc_err<br />";
}
becomeMsgPage($err_str);
}
$fun = $this->handle;
$fun($this->vdata);
if ($this->succ_href !== 'none') {
header("Location: {$this->succ_href}");
}
die();
};
}
public function setAjaxSubmit($js) {
$GLOBALS['REQUIRE_LIB']['jquery.form'] = '';
$this->ajax_submit_js = $js;
}
public function add($name, $html, $validator_php, $validator_js) {
$this->main_html .= $html;
$this->data[] = array(
'name' => $name,
'validator_php' => $validator_php,
'validator_js' => $validator_js);
}
public function appendHTML($html) {
$this->main_html .= $html;
}
public function addNoVal($name, $html) {
$this->main_html .= $html;
$this->data[] = array(
'name' => $name,
'validator_js' => 'always_ok',
'no_val' => '');
}
public function addHidden($name, $default_value, $validator_php, $validator_js) {
$default_value = htmlspecialchars($default_value);
$html = <<<EOD
<input type="hidden" name="$name" id="input-$name" value="$default_value" />
EOD;
$this->add($name, $html, $validator_php, $validator_js);
}
public function addInput($name, $type, $label_text, $default_value, $validator_php, $validator_js) {
$default_value = htmlspecialchars($default_value);
$html = <<<EOD
<div id="div-$name" class="form-group">
<label for="input-$name" class="col-sm-2 control-label">$label_text</label>
<div class="col-sm-3">
<input type="$type" class="form-control" name="$name" id="input-$name" value="$default_value" />
<span class="help-block" id="help-$name"></span>
</div>
</div>
EOD;
$this->add($name, $html, $validator_php, $validator_js);
}
public function addSelect($name, $options, $label_text, $default_value) {
$default_value = htmlspecialchars($default_value);
$html = <<<EOD
<div id="div-$name" class="form-group">
<label for="input-$name" class="col-sm-2 control-label">$label_text</label>
<div class="col-sm-3">
<select class="form-control" id="input-content" name="$name">
EOD;
foreach ($options as $opt_name => $opt_label) {
if ($opt_name != $default_value) {
$html .= <<<EOD
<option value="$opt_name">$opt_label</option>
EOD;
} else {
$html .= <<<EOD
<option value="$opt_name" selected="selected">$opt_label</option>
EOD;
}
}
$html .= <<<EOD
</select>
</div>
</div>
EOD;
$this->add($name, $html,
function($opt) use ($options) {
return isset($options, $opt) ? '' : "无效选项";
},
'always_ok'
);
}
public function addVInput($name, $type, $label_text, $default_value, $validator_php, $validator_js) {
$html = HTML::div_vinput($name, $type, $label_text, $default_value);
$this->add($name, $html, $validator_php, $validator_js);
}
public function addVSelect($name, $options, $label_text, $default_value) {
$default_value = htmlspecialchars($default_value);
$html = <<<EOD
<div id="div-$name">
<label for="input-$name" class="control-label">$label_text</label>
<select class="form-control" id="input-content" name="$name">
EOD;
foreach ($options as $opt_name => $opt_label) {
if ($opt_name != $default_value) {
$html .= <<<EOD
<option value="$opt_name">$opt_label</option>
EOD;
} else {
$html .= <<<EOD
<option value="$opt_name" selected="selected">$opt_label</option>
EOD;
}
}
$html .= <<<EOD
</select>
</div>
EOD;
$this->add($name, $html,
function($opt) use ($options) {
return isset($options, $opt) ? '' : "无效选项";
},
'always_ok'
);
}
public function addTextArea($name, $label_text, $default_value, $validator_php, $validator_js) {
$default_value = htmlspecialchars($default_value);
$this->is_big = true;
$html = <<<EOD
<div id="div-$name" class="form-group">
<label for="input-$name" class="col-sm-2 control-label">$label_text</label>
<div class="col-sm-10">
<textarea class="form-control" name="$name" id="input-$name">$default_value</textarea>
<span class="help-block" id="help-$name"></span>
</div>
</div>
EOD;
$this->add($name, $html, $validator_php, $validator_js);
}
public function addVTextArea($name, $label_text, $default_value, $validator_php, $validator_js) {
$default_value = htmlspecialchars($default_value);
$this->is_big = true;
$html = <<<EOD
<div id="div-$name">
<label for="input-$name" class="control-label">$label_text</label>
<textarea class="form-control" name="$name" id="input-$name">$default_value</textarea>
<span class="help-block" id="help-$name"></span>
</div>
EOD;
$this->add($name, $html, $validator_php, $validator_js);
}
public function addCheckBox($name, $label_text, $default_value) {
$default_value = htmlspecialchars($default_value);
$status = $default_value ? 'checked="checked" ' : '';
$html = <<<EOD
<div class="checkbox">
<label for="input-$name"><input type="checkbox" id="input-$name" name="$name" $status/> $label_text</label>
</div>
EOD;
$this->addNoVal($name, $html);
}
public function addCKEditor($name, $label_text, $default_value, $validator_php, $validator_js) {
$default_value = htmlspecialchars($default_value);
global $REQUIRE_LIB;
$REQUIRE_LIB['ckeditor'] = '';
$this->is_big = true;
$html = <<<EOD
<div id="div-$name">
<label for="input-$name" class="control-label">$label_text</label>
<textarea class="ckeditor" name="$name" id="input-$name">$default_value</textarea>
<span class="help-block" id="help-$name"></span>
</div>
EOD;
$this->add($name, $html, $validator_php, $validator_js);
}
public function addBlogEditor(UOJBlogEditor $editor) {
global $REQUIRE_LIB;
$REQUIRE_LIB['blog-editor'] = '';
$this->is_big = true;
$name = $editor->name;
$this->addVInput("{$name}_title", 'text', '标题', $editor->cur_data['title'],
function ($title) use($editor) {
return $editor->validateTitle();
},
null
);
$content_md_html = HTML::div_vtextarea("{$name}_content_md", '内容', $editor->cur_data['content_md']);
$this->add("{$name}_content_md", $content_md_html,
function ($content_md) use($editor) {
return $editor->validateContentMd();
},
'always_ok'
);
$this->appendHTML(<<<EOD
<script type="text/javascript">blog_editor_init("$name");</script>
EOD
);
$this->run_at_server_handler["save-{$name}"] = function() use($name, $editor) {
if ($this->no_submit) {
become404Page();
}
foreach (array("{$name}_title", "{$name}_content_md") as $field_name) {
if (!isset($_POST[$field_name])) {
becomeMsgPage('The form is incomplete.');
}
}
crsf_defend();
$errors = $this->validateAtServer();
if (!$errors) {
$editor->handleSave();
}
die(json_encode($errors));
};
}
public function addSlideEditor($name, $label_text, $default_value, $validator_php, $validator_js) {
$default_value = htmlspecialchars($default_value);
global $REQUIRE_LIB;
$REQUIRE_LIB['slide-editor'] = '';
$this->is_big = true;
$html = <<<EOD
<div id="div-$name">
<label for="input-$name" class="control-label">$label_text</label>
<textarea name="$name" id="input-$name">$default_value</textarea>
<span class="help-block" id="help-$name"></span>
</div>
<script type="text/javascript">
$('#input-$name').slide_editor();
</script>
EOD;
$this->add($name, $html, $validator_php, $validator_js);
}
static public function uploadedFileTmpName($name) {
if (isset($_FILES[$name]) && is_uploaded_file($_FILES[$name]['tmp_name'])) {
return $_FILES[$name]['tmp_name'];
} else {
return null;
}
}
public function addSourceCodeInput($name, $text, $languages) {
$this->add("{$name}_upload_type", '',
function($type, &$vdata) use($name) {
if ($type == 'editor') {
if (!isset($_POST["{$name}_editor"])) {
return '你在干啥……怎么什么都没交过来……?';
}
} elseif ($type == 'file') {
} else {
return '……居然既不是用编辑器上传也不是用文件上传的……= =……';
}
},
'always_ok'
);
$this->addNoVal("{$name}_editor", '');
$this->addNoVal("{$name}_file", '');
$this->add("{$name}_language", '',
function($lang) use ($languages) {
if (!in_array($lang, $languages)) {
return '该语言不被支持';
}
return '';
},
'always_ok'
);
$preferred_language = Cookie::get('uoj_preferred_language');
if ($preferred_language == null || !in_array($preferred_language, $languages)) {
$preferred_language = $languages[0];
}
$langs_options_str = '';
foreach ($languages as $lang) {
$langs_options_str .= "<option";
if ($lang == $preferred_language) {
$langs_options_str .= ' selected="selected"';
}
$langs_options_str .= ">$lang</option>";
}
$langs_options_json = json_encode($langs_options_str);
$this->appendHTML(<<<EOD
<div class="form-group" id="form-group-$name"></div>
<script type="text/javascript">
$('#form-group-$name').source_code_form_group('$name', '$text', $langs_options_json);
</script>
EOD
);
$this->is_big = true;
$this->has_file = true;
}
public function addTextFileInput($name, $text) {
$this->add("{$name}_upload_type", '',
function($type, &$vdata) use($name) {
if ($type == 'editor') {
if (!isset($_POST["{$name}_editor"])) {
return '你在干啥……怎么什么都没交过来……?';
}
} elseif ($type == 'file') {
} else {
return '……居然既不是用编辑器上传也不是用文件上传的……= =……';
}
},
'always_ok'
);
$this->addNoVal("{$name}_editor", '');
$this->addNoVal("{$name}_file", '');
$this->appendHTML(<<<EOD
<div class="form-group" id="form-group-$name"></div>
<script type="text/javascript">
$('#form-group-$name').text_file_form_group('$name', '$text');
</script>
EOD
);
$this->is_big = true;
$this->has_file = true;
}
public function printHTML() {
$form_entype_str = $this->is_big ? ' enctype="multipart/form-data"' : '';
echo '<form action="', $_SERVER['REQUEST_URI'], '" method="post" class="form-horizontal" id="form-', $this->form_name, '"', $form_entype_str, '>';
echo HTML::hiddenToken();
echo $this->main_html;
if (!$this->no_submit) {
if (!isset($this->submit_button_config['align'])) {
$this->submit_button_config['align'] = 'center';
}
if (!isset($this->submit_button_config['text'])) {
$this->submit_button_config['text'] = UOJLocale::get('submit');
}
if (!isset($this->submit_button_config['class_str'])) {
$this->submit_button_config['class_str'] = 'btn btn-default';
}
if ($this->submit_button_config['align'] == 'offset') {
echo '<div class="form-group">';
echo '<div class="col-sm-offset-2 col-sm-3">';
} else {
echo '<div class="text-', $this->submit_button_config['align'], '">';
}
echo '<button type="submit" id="button-submit-', $this->form_name, '" name="submit-', $this->form_name, '" value="', $this->form_name, '" class="', $this->submit_button_config['class_str'], '">', $this->submit_button_config['text'], '</button>';
if ($this->submit_button_config['align'] == 'offset') {
echo '</div>';
}
echo '</div>';
}
echo '</form>';
if ($this->no_submit) {
return;
}
echo <<<EOD
<script type="text/javascript">
$(document).ready(function() {
EOD;
if ($this->ctrl_enter_submit) {
echo <<<EOD
$('#form-{$this->form_name}').keydown(function(e) {
if (e.keyCode == 13 && e.ctrlKey) {
$('#button-submit-{$this->form_name}').click();
}
});
EOD;
}
echo <<<EOD
$('#form-{$this->form_name}').submit(function(e) {
var ok = true;
EOD;
$need_ajax = false;
if ($this->extra_validator) {
$need_ajax = true;
}
foreach ($this->data as $field) {
if ($field['validator_js'] != null) {
if ($field['validator_js'] != 'always_ok') {
echo <<<EOD
var ${field['name']}_err = (${field['validator_js']})($('#input-${field['name']}').val());
EOD;
}
} else {
$need_ajax = true;
}
}
if ($need_ajax) {
echo <<<EOD
var post_data = {};
EOD;
foreach ($this->data as $field) {
if ($field['validator_js'] == null) {
echo <<<EOD
var ${field['name']}_err = 'Unknown error';
post_data.${field['name']} = $('#input-${field['name']}').val();
EOD;
}
}
echo <<<EOD
if (post_data != {}) {
post_data['check-{$this->form_name}'] = "";
$.ajax({
url : '${_SERVER['REQUEST_URI']}',
type : 'POST',
dataType : 'json',
async : false,
data : post_data,
success : function(data) {
EOD;
foreach ($this->data as $field) {
if ($field['validator_js'] == null) {
echo <<<EOD
${field['name']}_err = data.${field['name']};
EOD;
}
}
echo <<<EOD
if (data.extra != undefined) {
alert(data.extra);
ok = false;
}
EOD;
echo <<<EOD
}
});
}
EOD;
}
foreach ($this->data as $field) {
if ($field['validator_js'] != 'always_ok') {
echo <<<EOD
if (${field['name']}_err) {
$('#div-${field['name']}').addClass('has-error');
$('#help-${field['name']}').text(${field['name']}_err);
ok = false;
} else {
$('#div-${field['name']}').removeClass('has-error');
$('#help-${field['name']}').text('');
}
EOD;
}
}
if (isset($this->submit_button_config['smart_confirm'])) {
$this->submit_button_config['confirm_text'] = '你真的要' . $this->submit_button_config['text'] . '吗?';
}
if (isset($this->submit_button_config['confirm_text'])) {
echo <<<EOD
if (!confirm('{$this->submit_button_config['confirm_text']}')) {
ok = false;
}
EOD;
}
if ($this->has_file) {
echo <<<EOD
$(this).find("input[type='file']").each(function() {
for (var i = 0; i < this.files.length; i++) {
if (this.files[i].size > 10 * 1024 * 1024) {
$('#div-' + $(this).attr('name')).addClass('has-error');
$('#help-' + $(this).attr('name')).text('文件大小不能超过10M');
ok = false;
} else {
$('#div-' + $(this).attr('name')).removeClass('has-error');
$('#help-' + $(this).attr('name')).text('');
}
}
});
EOD;
}
if ($this->ajax_submit_js !== null) {
echo <<<EOD
e.preventDefault();
if (ok) {
$(this).ajaxSubmit({
beforeSubmit: function(formData) {
formData.push({name: 'submit-{$this->form_name}', value: '{$this->form_name}', type: 'submit'});
},
success : {$this->ajax_submit_js}
});
}
EOD;
} else {
echo <<<EOD
return ok;
EOD;
}
echo <<<EOD
});
});
</script>
EOD;
}
private function validateAtServer() {
$errors = array();
if ($this->extra_validator) {
$fun = $this->extra_validator;
$err = $fun();
if ($err) {
$errors['extra'] = $err;
}
}
foreach ($this->data as $field) {
if (!isset($field['no_val']) && isset($_POST[$field['name']])) {
$fun = $field['validator_php'];
$err = $fun($_POST[$field['name']], $this->vdata);
if ($err) {
$errors[$field['name']] = $err;
}
}
}
return $errors;
}
public function runAtServer() {
foreach ($this->run_at_server_handler as $type => $handler) {
if (isset($_POST[$type])) {
$handler();
}
}
}
}
function newAddDelCmdForm($form_name, $validate, $handle, $final = null) {
$form = new UOJForm($form_name);
$form->addTextArea(
$form_name . '_cmds', '命令', '',
function($str, &$vdata) use($validate) {
$cmds = array();
foreach (explode("\n", $str) as $line_id => $raw_line) {
$line = trim($raw_line);
if ($line == '') {
continue;
}
if ($line[0] != '+' && $line[0] != '-') {
return '第' . ($line_id + 1) . '行:格式错误';
}
$obj = trim(substr($line, 1));
if ($err = $validate($obj)) {
return '第' . ($line_id + 1) . '行:' . $err;
}
$cmds[] = array('type' => $line[0], 'obj' => $obj);
}
$vdata['cmds'] = $cmds;
return '';
},
null
);
if (!isset($final)) {
$form->handle = function(&$vdata) use($handle) {
foreach ($vdata['cmds'] as $cmd) {
$handle($cmd['type'], $cmd['obj']);
}
};
} else {
$form->handle = function(&$vdata) use($handle, $final) {
foreach ($vdata['cmds'] as $cmd) {
$handle($cmd['type'], $cmd['obj']);
}
$final();
};
}
return $form;
}
function newSubmissionForm($form_name, $requirement, $zip_file_name_gen, $handle) {
$form = new UOJForm($form_name);
foreach ($requirement as $req) {
if ($req['type'] == "source code") {
$languages = isset($req['languages']) ? $req['languages'] : $GLOBALS['uojSupportedLanguages'];
$form->addSourceCodeInput("{$form_name}_{$req['name']}", UOJLocale::get('problems::source code').':'.$req['name'], $languages);
} elseif ($req['type'] == "text") {
$form->addTextFileInput("{$form_name}_{$req['name']}", UOJLocale::get('problems::text file').':'.$req['file_name']);
}
}
$form->handle = function(&$vdata) use($form_name, $requirement, $zip_file_name_gen, $handle) {
global $myUser;
if ($myUser == null) {
redirectToLogin();
}
$tot_size = 0;
$zip_file_name = $zip_file_name_gen();
$zip_file = new ZipArchive();
if ($zip_file->open(UOJContext::storagePath().$zip_file_name, ZipArchive::CREATE) !== true) {
becomeMsgPage('提交失败');
}
$content = array();
$content['file_name'] = $zip_file_name;
$content['config'] = array();
foreach ($requirement as $req) {
if ($req['type'] == "source code") {
$content['config'][] = array("{$req['name']}_language", $_POST["{$form_name}_{$req['name']}_language"]);
}
}
foreach ($requirement as $req) {
if ($_POST["{$form_name}_{$req['name']}_upload_type"] == 'editor') {
$zip_file->addFromString($req['file_name'], $_POST["{$form_name}_{$req['name']}_editor"]);
} else {
$tmp_name = UOJForm::uploadedFileTmpName("{$form_name}_{$req['name']}_file");
if ($tmp_name == null) {
$zip_file->addFromString($req['file_name'], '');
} else {
$zip_file->addFile($tmp_name, $req['file_name']);
}
}
$stat = $zip_file->statName($req['file_name']);
if ($req['type'] == 'source code') {
$max_size = isset($req['size']) ? (int)$req['size'] : 50;
if ($stat['size'] > $max_size * 1024) {
$zip_file->close();
unlink(UOJContext::storagePath().$zip_file_name);
becomeMsgPage("源代码长度不能超过 {$max_size}KB。");
}
}
$tot_size += $stat['size'];
}
$zip_file->close();
$handle($zip_file_name, $content, $tot_size);
};
return $form;
}
function newZipSubmissionForm($form_name, $requirement, $zip_file_name_gen, $handle) {
$form = new UOJForm($form_name);
$name = "zip_ans_{$form_name}";
$text = UOJLocale::get('problems::zip file upload introduction', join(array_map(function($req){return $req['file_name'];}, $requirement), ', '));
$browse_text = UOJLocale::get('browse');
$html = <<<EOD
<div id="div-{$name}">
<label for="input-{$name}">$text</label>
<input type="file" id="input-{$name}" name="{$name}" style="display:none;" onchange="$('#input-{$name}_path').val($('#input-{$name}').val());" />
<div class="input-group bot-buffer-md">
<input id="input-{$name}_path" class="form-control" type="text" readonly="readonly" />
<span class="input-group-btn">
<button type="button" class="btn btn-primary" style="width:100px; !important" onclick="$('#input-{$name}').click();"><span class="glyphicon glyphicon-folder-open"></span> $browse_text</button>
</span>
</div>
<span class="help-block" id="help-{$name}"></span>
</div>
EOD;
$form->addNoVal($name, $html);
$form->is_big = true;
$form->has_file = true;
$form->handle = function() use($name, $requirement, $zip_file_name_gen, $handle) {
global $myUser;
if ($myUser == null) {
redirectToLogin();
}
if (!isset($_FILES[$name])) {
becomeMsgPage('你在干啥……怎么什么都没交过来……?');
} elseif (!is_uploaded_file($_FILES[$name]['tmp_name'])) {
becomeMsgPage('上传出错,貌似你什么都没交过来……?');
}
$up_zip_file = new ZipArchive();
if ($up_zip_file->open($_FILES[$name]['tmp_name']) !== true) {
becomeMsgPage('不是合法的zip压缩文件');
}
$tot_size = 0;
$zip_content = array();
foreach ($requirement as $req) {
$stat = $up_zip_file->statName($req['file_name']);
if ($stat === false) {
$zip_content[$req['name']] = '';
} else {
$tot_size += $stat['size'];
if ($stat['size'] > 20 * 1024 * 1024) {
becomeMsgPage("文件 {$req['file_name']} 实际大小过大。");
}
$ret = $up_zip_file->getFromName($req['file_name']);
if ($ret === false) {
$zip_content[$req['name']] = '';
} else {
$zip_content[$req['name']] = $ret;
}
}
}
$up_zip_file->close();
$zip_file_name = $zip_file_name_gen();
$zip_file = new ZipArchive();
if ($zip_file->open(UOJContext::storagePath().$zip_file_name, ZipArchive::CREATE) !== true) {
becomeMsgPage('提交失败');
}
foreach ($requirement as $req) {
$zip_file->addFromString($req['file_name'], $zip_content[$req['name']]);
}
$zip_file->close();
$content = array();
$content['file_name'] = $zip_file_name;
$content['config'] = array();
$handle($zip_file_name, $content, $tot_size);
};
return $form;
}
?>